Home / 36,015.54-49,703.94-20,103.12

Finding the Fourth Proportional to 36,015.54, 49,703.94 and 20,103.12

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Solution

The fourth proportional to 36,015.54, 49,703.94 and 20,103.12 is: 27,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.54 : 49,703.94 = 20,103.12 : x
  2. Step 2: Convert to fraction form
    36,015.54/49,703.94 = 20,103.12/x
  3. Step 3: Cross multiply
    36,015.54x = 49,703.94 × 20,103.12
  4. Step 4: Simplify right side
    36,015.54x = 999,204,270.29
  5. Step 5: Solve for x
    x = 999,204,270.29/36,015.54
  6. Step 6: Final answer
    x = 27,743.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.